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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3710/CH7/EX7.7/Ex7_7.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3710/CH7/EX7.7/Ex7_7.sce')
| -rw-r--r-- | 3710/CH7/EX7.7/Ex7_7.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3710/CH7/EX7.7/Ex7_7.sce b/3710/CH7/EX7.7/Ex7_7.sce new file mode 100644 index 000000000..a615e99c1 --- /dev/null +++ b/3710/CH7/EX7.7/Ex7_7.sce @@ -0,0 +1,21 @@ +//Example 7.7, Page Number 334
+//Response time of photodiode
+clc;
+
+it=2*(10**-6) //I-region thickness in metres
+A=(100*(10**-6))*(100*(10**-6)) //Given Area in metres
+lr=50 //Load resistor in ohms
+v=10**5 //Saturation Velocity in Metre/second
+er=12 //relative permittivity of InGaAs
+k=8.85*(10**-12) //Absolute permittivity in farads per meter
+
+t=it/v //Transit Velocity of electrons in m/s
+
+//From equation 7.34
+cj=(A*k*er)/it //cj is the device capacitance in farads
+
+trc=cj*lr //in seconds
+
+total=sqrt((t**2)+(trc**2)) //total is the total response time
+mprintf("The Device Capacitance is:%0.1e F\n",cj)
+mprintf(" The Total response time for the detector is:%.2e s",total)
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